On-Line Testing of a Switching Circuit

Janor A. BastosJáder A. KusslerLeandro J. CassolMarcelo S. Lubaszewski

This paper presents the use of partial duplication to on-line test a switching circuit used in a communication system. The test methodology is validated by fault simulation. The final system is fault tolerant because a test cell may replace a faulty cell, whenever diagnosis can be successfully carried out. A prototype of the on line testable switching circuit has been produced.

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